function love.load()
  --打开网址开始
  love.system.openURL("http://love2d.org/")
  --打开网址结束
	c1 = love.graphics.newCanvas(200,200)
	love.graphics.setCanvas(c1)
		love.graphics.printf("this is a test sentence",0,0,200,"left")
	love.graphics.setCanvas()
end

function love.draw()  
  x = math.floor(math.sin(love.timer.getTime()*0.1)*100+100)
  love.graphics.setBlendMode('alpha', 'premultiplied')
  love.graphics.draw(c1,x,0)
  love.graphics.setBlendMode('alpha', 'alphamultiply')
  love.graphics.printf("this is a test sentence",x,20,200,"left") 
end
